As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR INTERRUPT, RETURNED & EMER DECLARED. LANDING UNEVENTFUL & ACFT NOT OVERWEIGHT. DURING CLIMB, CREW REPORTS A COMPRESSOR STALL ON RT ENG FOLLOWED BY A REDUCTION IN EPR & INCREASE IN EGT. ACCOMPLISHED CARD 72-96-12 71-91-12 & BORESCOPE WITH A DETAILED VISUAL INSPECTION OF RT ENG COMPRESSOR & TURBINE. BORESCOPE IDENTIFIED DAMAGE TO STAGE 12 & 13 COMPRESSOR BLADES. REPLACED THE RT ENG IAW MCM 71-91-03 & 71-91-09.